Base | Representation |
---|---|
bin | 111111000110… |
… | …1011111011101 |
3 | 2022020220122101 |
4 | 1332031133131 |
5 | 31432213110 |
6 | 3141045101 |
7 | 551135623 |
oct | 176153735 |
9 | 68226571 |
10 | 33085405 |
11 | 17748611 |
12 | b0b6791 |
13 | 6b15482 |
14 | 4573513 |
15 | 2d8813a |
hex | 1f8d7dd |
33085405 has 8 divisors (see below), whose sum is σ = 40015872. Its totient is φ = 26259408.
The previous prime is 33085399. The next prime is 33085457. The reversal of 33085405 is 50458033.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 33085405 - 23 = 33085397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25417 + ... + 26686.
It is an arithmetic number, because the mean of its divisors is an integer number (5001984).
Almost surely, 233085405 is an apocalyptic number.
It is an amenable number.
33085405 is a deficient number, since it is larger than the sum of its proper divisors (6930467).
33085405 is a wasteful number, since it uses less digits than its factorization.
33085405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52235.
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 33085405 is about 5751.9913942912. The cubic root of 33085405 is about 321.0299011687.
The spelling of 33085405 in words is "thirty-three million, eighty-five thousand, four hundred five".
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